Derivatives of bromine are much more active than the corresponding one of chlorine.溴的衍生物的活性要比相应的氯的衍生物大得多.Polyfluorene and its derivatives is one of the most promising electroluminescent polymers.聚芴衍生物是最有发展潜力的电致发光材料之一.The...
Plans are rolling full steam ahead for the Jamaica Festival.庆祝牙买加节的准备工作正开展得如火如荼。Myles vacationed in Jamaica.迈尔斯去了牙买加度假。I first went there to trace my roots, visiting my mum's home island of Jamaica.我最初到那里是为了寻根，探访我妈妈...
The orbital periosteum is elevated from medial wall of the orbir.眼眶骨膜从眼眶内侧壁剥离.Left medial cerebral arteria is the most embolism position.栓塞部位以左侧大脑中动脉最常见.Objective : To study the reconstructive methods for defects of bone...